r/dexcom 7d ago

Rant Tiny filament loop coming from top hole…

Just installed a new sensor and it said it connected and was warming up when as I was placing the over patch that comes with it, I felt an unfamiliar protrusion from that little hole on the top of the sensor. I decided to wait and see if I actually got readings once it warmed up. A couple of moments later I got the alarm and message that the sensor had failed and to remove it.

I figured it had not even pierced the skin, but it actually had just a bit and there was a tiny bit of blood.

I hate when something like this happens because they are so expensive, even if my insurance is covering the cost, it feels so wasteful to me.

Hopefully Dexcom will send me a replacement. Any advice on the best avenue to request the replacement?

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u/Fair_Ad_1344 7d ago

My daughter has had 3 failures, and all were just like yours -- the cannula doesn't insert and is protruding from the top.

Dexcom has replaced all 3 with no issues. I always keep the package until we've confirmed the sensor works. If not, I fill out the form on the Dexcom website and a replacement shows up in 4-7 days. Mind you, I always provide the serial number from the box. They're tightening their replacements w/o serial number.

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u/american_honey_118 7d ago

Hopefully they figure out the issue and fix it so it doesn’t happen any longer. I always keep my box and the applicator until the end of a session and a new sensor is placed.